duncanshee Posted October 4, 2009 Report Posted October 4, 2009 (edited) i am going to install a noss cool head with 21cc domes ?, i currently have 30pilot ,290 mains and 3rd slot on the needle, i am about 700ft above sea level , spark is advanced 4 degrees , my question is will i have to rejet. thanks in advance. Edited October 4, 2009 by duncanshee Quote
SAVAGE420 Posted October 5, 2009 Report Posted October 5, 2009 Nope, install, check for air and coolant leaks, then runner. Don't hurt to check the compression also. Quote
duncanshee Posted October 5, 2009 Author Report Posted October 5, 2009 Nope, install, check for air and coolant leaks, then runner. Don't hurt to check the compression also. thanks Quote
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